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(11)

EP 1 678 895 A1

(12)

(43) Date of publication: 12.07.2006 Bulletin 2006/28 (21) Application number: 04775554.1 (22) Date of filing: 14.10.2004

(51) International Patent Classification (IPC):  H04L 12/58(1990.01) H04N 7/04(1968.09) (86) International application number: PCT/SE2004/001482 (87) International publication number: WO 2005/039131 (28.04.2005 Gazette 2005/17)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 17.10.2003 SE 0302778 (71) Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (publ) 164 83 Stockholm (SE)	(72) Inventors: FRÖJDH, Per S-113 39 Stockholm (SE) WESTERLUND, Magnus S-164 32 Kista (SE) EINARSSON, Torbjörn S-112 40 Stockholm (SE) (74) Representative: Stenborg, Anders Vilhelm et al Aros Patent AB, P.O. Box 1544 751 45 Uppsala 751 45 Uppsala (SE)